[PATCH v5 8/9] ARM: dts: stm32: add alternate pinmux for HDP pin and add HDP pinctrl node
From: Clément Le Goffic <hidden>
Date: 2025-06-13 10:16:28
Also in:
linux-devicetree, linux-gpio, lkml
Subsystem:
arm/stm32 architecture, the rest · Maintainers:
Maxime Coquelin, Alexandre Torgue, Linus Torvalds
Introduce hdp node to output a user defined value on port hdp2. Add pinctrl nodes to be able to output this signal on one SoC pin. Reviewed-by: Linus Walleij <redacted> Signed-off-by: Clément Le Goffic <redacted> --- arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
index 40605ea85ee1..4a31e9f7a897 100644
--- a/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi
+++ b/arch/arm/boot/dts/st/stm32mp15-pinctrl.dtsi@@ -5,6 +5,14 @@ */ #include <dt-bindings/pinctrl/stm32-pinfunc.h> +&hdp { + /omit-if-no-ref/ + hdp2_gpo: hdp2-pins { + function = "gpoval2"; + pins = "HDP2"; + }; +}; + &pinctrl { /omit-if-no-ref/ adc1_ain_pins_a: adc1-ain-0 {
@@ -731,6 +739,23 @@ pins { }; }; + /omit-if-no-ref/ + hdp2_pins_a: hdp2-0 { + pins { + pinmux = <STM32_PINMUX('E', 13, AF0)>; /* HDP2 */ + bias-disable; + drive-push-pull; + slew-rate = <2>; + }; + }; + + /omit-if-no-ref/ + hdp2_sleep_pins_a: hdp2-sleep-0 { + pins { + pinmux = <STM32_PINMUX('E', 13, ANALOG)>; /* HDP2 */ + }; + }; + /omit-if-no-ref/ i2c1_pins_a: i2c1-0 { pins {
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2.43.0